27760042 has 8 divisors (see below), whose sum is σ = 42069636. Its totient is φ = 13736832.

The previous prime is 27760039. The next prime is 27760049. The reversal of 27760042 is 24006772.

It can be written as a sum of positive squares in 2 ways, for example, as 25391521 + 2368521 = 5039^2 + 1539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (27760049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71353 + ... + 71740.

Almost surely, 2^27760042 is an apocalyptic number.

27760042 is a deficient number, since it is larger than the sum of its proper divisors (14309594).

27760042 is a wasteful number, since it uses less digits than its factorization.

27760042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143192.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 27760042 is about 5268.7799346718. The cubic root of 27760042 is about 302.7889623216.

The spelling of 27760042 in words is "twenty-seven million, seven hundred sixty thousand, forty-two".